to rub or roll between the hands or fingers / to twist
搓
=
差
+
扌
:
Kitty Cat (cu) is examining error bars (差) in front of the observatory (o1). She rubs (搓) and rolls (搓) the error bars with a toy claw (扌) to see if it easily breaks.
揉
=
扌
+
柔
:
Robinson Crusoe (r) is practicing his judo (柔) skills in the outhouse's kitchen (ou2). He wrestled his enemy to the ground and tortures (揉) him by rubbing (揉) his belly with a toy claw (扌).